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mirror of https://github.com/mpv-player/mpv synced 2024-12-25 08:12:17 +00:00
mpv/video/decode/vdpau_old.c
wm4 d7287d60dd vdpau_old: restore hardware decoding with old API
--hwdec=vdpau did nothing with older ffmpeg/libav versions. Oops.
2013-10-19 20:57:43 +02:00

283 lines
8.2 KiB
C

/*
* VDPAU video output driver
*
* Copyright (C) 2008 NVIDIA
* Copyright (C) 2009 Uoti Urpala
*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stddef.h>
#include <assert.h>
#include <libavcodec/vdpau.h>
#include <libavutil/common.h>
#include "lavc.h"
#include "video/fmt-conversion.h"
#include "video/vdpau.h"
#include "video/decode/dec_video.h"
struct priv {
struct mp_vdpau_ctx *mpvdp;
struct vdp_functions *vdp;
VdpDevice vdp_device;
uint64_t preemption_counter;
int image_format;
int vid_width;
int vid_height;
VdpDecoder decoder;
int decoder_max_refs;
};
static void mark_uninitialized(struct lavc_ctx *ctx)
{
struct priv *p = ctx->hwdec_priv;
p->vdp_device = VDP_INVALID_HANDLE;
p->decoder = VDP_INVALID_HANDLE;
}
static int handle_preemption(struct lavc_ctx *ctx)
{
struct priv *p = ctx->hwdec_priv;
if (!mp_vdpau_status_ok(p->mpvdp))
return -1;
// Mark objects as destroyed if preemption+reinit occured
if (p->preemption_counter < p->mpvdp->preemption_counter) {
p->preemption_counter = p->mpvdp->preemption_counter;
mark_uninitialized(ctx);
}
p->vdp_device = p->mpvdp->vdp_device;
p->vdp = p->mpvdp->vdp;
return 0;
}
static bool create_vdp_decoder(struct lavc_ctx *ctx, int max_refs)
{
struct priv *p = ctx->hwdec_priv;
struct vdp_functions *vdp = p->mpvdp->vdp;
VdpStatus vdp_st;
VdpDecoderProfile vdp_decoder_profile;
if (handle_preemption(ctx) < 0)
return false;
if (p->decoder != VDP_INVALID_HANDLE)
vdp->decoder_destroy(p->decoder);
switch (p->image_format) {
case IMGFMT_VDPAU_MPEG1:
vdp_decoder_profile = VDP_DECODER_PROFILE_MPEG1;
break;
case IMGFMT_VDPAU_MPEG2:
vdp_decoder_profile = VDP_DECODER_PROFILE_MPEG2_MAIN;
break;
case IMGFMT_VDPAU_H264:
vdp_decoder_profile = VDP_DECODER_PROFILE_H264_HIGH;
mp_msg(MSGT_VO, MSGL_V, "[vdpau] Creating H264 hardware decoder "
"for %d reference frames.\n", max_refs);
break;
case IMGFMT_VDPAU_WMV3:
vdp_decoder_profile = VDP_DECODER_PROFILE_VC1_MAIN;
break;
case IMGFMT_VDPAU_VC1:
vdp_decoder_profile = VDP_DECODER_PROFILE_VC1_ADVANCED;
break;
case IMGFMT_VDPAU_MPEG4:
vdp_decoder_profile = VDP_DECODER_PROFILE_MPEG4_PART2_ASP;
break;
default:
mp_msg(MSGT_VO, MSGL_ERR, "[vdpau] Unknown image format!\n");
goto fail;
}
vdp_st = vdp->decoder_create(p->vdp_device, vdp_decoder_profile,
p->vid_width, p->vid_height, max_refs,
&p->decoder);
CHECK_ST_WARNING("Failed creating VDPAU decoder");
if (vdp_st != VDP_STATUS_OK)
goto fail;
p->decoder_max_refs = max_refs;
return true;
fail:
p->decoder = VDP_INVALID_HANDLE;
p->decoder_max_refs = 0;
return false;
}
static void draw_slice_hwdec(struct AVCodecContext *s,
const AVFrame *src, int offset[4],
int y, int type, int height)
{
sh_video_t *sh = s->opaque;
struct lavc_ctx *ctx = sh->context;
struct priv *p = ctx->hwdec_priv;
struct vdp_functions *vdp = p->vdp;
VdpStatus vdp_st;
if (handle_preemption(ctx) < 0)
return;
struct vdpau_render_state *rndr = (void *)src->data[0];
int max_refs = p->image_format == IMGFMT_VDPAU_H264 ?
rndr->info.h264.num_ref_frames : 2;
if ((p->decoder == VDP_INVALID_HANDLE || p->decoder_max_refs < max_refs)
&& !create_vdp_decoder(ctx, max_refs))
return;
vdp_st = vdp->decoder_render(p->decoder, rndr->surface,
(void *)&rndr->info,
rndr->bitstream_buffers_used,
rndr->bitstream_buffers);
CHECK_ST_WARNING("Failed VDPAU decoder rendering");
}
static void release_surface(void *ptr)
{
struct vdpau_render_state *state = ptr;
// Free bitstream buffers allocated by libavcodec
av_freep(&state->bitstream_buffers);
talloc_free(state);
}
static struct mp_image *allocate_image(struct lavc_ctx *ctx, int imgfmt,
int w, int h)
{
struct priv *p = ctx->hwdec_priv;
if (!IMGFMT_IS_VDPAU(imgfmt))
return NULL;
if (w != p->vid_width || h != p->vid_height || imgfmt != p->image_format) {
p->vid_width = w;
p->vid_height = h;
p->image_format = imgfmt;
if (!create_vdp_decoder(ctx, 2))
return NULL;
}
VdpChromaType chroma;
mp_vdpau_get_format(p->image_format, &chroma, NULL);
struct mp_image *img =
mp_vdpau_get_video_surface(p->mpvdp, imgfmt, chroma, w, h);
if (!img)
return NULL;
// Create chained reference for vdpau_render_state. This will track the
// lifetime of the actual reference too.
// This is quite roundabout, but at least it allows us to share the
// surface allocator in vo_vdpau.c with the new vdpau code.
struct vdpau_render_state *state = talloc_ptrtype(NULL, state);
memset(state, 0, sizeof(*state));
state->surface = (VdpVideoSurface)(intptr_t)img->planes[3];
talloc_steal(state, img);
struct mp_image *new = mp_image_new_custom_ref(img, state, release_surface);
new->planes[0] = (void *)state;
return new;
}
static void uninit(struct lavc_ctx *ctx)
{
struct priv *p = ctx->hwdec_priv;
if (!p)
return;
if (p->decoder != VDP_INVALID_HANDLE)
p->vdp->decoder_destroy(p->decoder);
talloc_free(p);
ctx->hwdec_priv = NULL;
}
static int init(struct lavc_ctx *ctx)
{
struct priv *p = talloc_ptrtype(NULL, p);
*p = (struct priv) {
.mpvdp = ctx->hwdec_info->vdpau_ctx,
};
ctx->hwdec_priv = p;
p->preemption_counter = p->mpvdp->preemption_counter;
mark_uninitialized(ctx);
if (handle_preemption(ctx) < 0)
return -1;
AVCodecContext *avctx = ctx->avctx;
avctx->draw_horiz_band = draw_slice_hwdec;
avctx->slice_flags = SLICE_FLAG_CODED_ORDER | SLICE_FLAG_ALLOW_FIELD;
return 0;
}
static int probe(struct vd_lavc_hwdec *hwdec, struct mp_hwdec_info *info,
const char *decoder)
{
if (!info || !info->vdpau_ctx)
return HWDEC_ERR_NO_CTX;
return 0;
}
static struct mp_image *process_image(struct lavc_ctx *ctx, struct mp_image *img)
{
// Make it follow the convention of the "new" vdpau decoder
struct vdpau_render_state *rndr = (void *)img->planes[0];
img->planes[0] = (void *)"dummy"; // must be non-NULL, otherwise arbitrary
img->planes[3] = (void *)(intptr_t)rndr->surface;
return img;
}
const struct vd_lavc_hwdec mp_vd_lavc_vdpau_old = {
.type = HWDEC_VDPAU,
.image_formats = (const int[]) {
IMGFMT_VDPAU_MPEG1, IMGFMT_VDPAU_MPEG2, IMGFMT_VDPAU_H264,
IMGFMT_VDPAU_WMV3, IMGFMT_VDPAU_VC1, IMGFMT_VDPAU_MPEG4,
0
},
.codec_pairs = (const char *[]) {
"h264", "h264_vdpau",
"wmv3", "wmv3_vdpau",
"vc1", "vc1_vdpau",
"mpegvideo", "mpegvideo_vdpau",
"mpeg1video", "mpeg1video_vdpau",
"mpeg2video", "mpegvideo_vdpau",
"mpeg2", "mpeg2_vdpau",
"mpeg4", "mpeg4_vdpau",
NULL
},
.probe = probe,
.init = init,
.uninit = uninit,
.allocate_image = allocate_image,
.process_image = process_image,
};